Home / 422,574,249.60-633,861,374.40-277,455,427.20

Finding the Fourth Proportional to 422,574,249.60, 633,861,374.40 and 277,455,427.20

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Solution

The fourth proportional to 422,574,249.60, 633,861,374.40 and 277,455,427.20 is: 416,183,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,574,249.60 : 633,861,374.40 = 277,455,427.20 : x
  2. Step 2: Convert to fraction form
    422,574,249.60/633,861,374.40 = 277,455,427.20/x
  3. Step 3: Cross multiply
    422,574,249.60x = 633,861,374.40 × 277,455,427.20
  4. Step 4: Simplify right side
    422,574,249.60x = 175,868,278,419,731,136
  5. Step 5: Solve for x
    x = 175,868,278,419,731,136/422,574,249.60
  6. Step 6: Final answer
    x = 416,183,140.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.